Vaping may look harmless, but your smile tells a different story From yellow stains and dry mouth to early decay and gum damage vaping silently attacks your teeth and gums vaping Archives Harrow Dental Practice Blog Tobacco and vaping don't just harm your lungsthey can stain your teeth, cause bad breath, lead to gum disease and even increase the risk of oral cancers and tooth loss. This # Is Vaping Bad for Your Teeth? (Yes, According to Research) Vaping could cause gum disease and tooth decay, dentist warns Express.co.uk